static void destroy_tables(void)
{
free_table(hash_1);
free_table(hash_2);
if (active_hash) shm_free(active_hash);
if (domains_1) {
free_domain_list(*domains_1);
shm_free(domains_1);
}
if (domains_2) {
free_domain_list(*domains_2);
shm_free(domains_2);
}
}
int reload_domain_list(void)
{
struct hash_entry** new_table;
domain_t** new_list;
/* Choose new hash table and free its old contents */
if (*active_hash == hash_1) {
free_table(hash_2);
new_table = hash_2;
new_list = domains_2;
} else {
free_table(hash_1);
new_table = hash_1;
new_list = domains_1;
}
if (load_domains(new_list) < 0) goto error;
if (gen_domain_table(new_table, *new_list) < 0) goto error;
*active_hash = new_table;
return 0;
error:
free_table(new_table);
free_domain_list(*new_list);
return -1;
}
/*
* Create domain list from domain table
*/
int load_domains(domain_t** dest)
{
db_res_t* res = NULL;
db_rec_t* rec;
unsigned int flags;
domain_t* d, *list;
list = 0;
if (db_exec(&res, load_domains_cmd) < 0) {
ERR("Error while querying database\n");
return -1;
}
rec = db_first(res);
while(rec) {
/* Do not assume that the database server performs any constrain
* checking (dbtext does not) and perform sanity checks here to
* make sure that we only load good entried
*/
if (rec->fld[0].flags & DB_NULL ||
rec->fld[1].flags & DB_NULL ||
rec->fld[2].flags & DB_NULL) {
ERR("Row with NULL column(s), skipping\n");
goto skip;
}
flags = rec->fld[2].v.int4;
/* Skip entries that are disabled/scheduled for removal */
if (flags & SRDB_DISABLED) goto skip;
/* Skip entries that are for serweb/ser-ctl only */
if (!(flags & SRDB_LOAD_SER)) goto skip;
DBG("Processing entry (%.*s, %.*s, %u)\n",
rec->fld[0].v.lstr.len, ZSW(rec->fld[0].v.lstr.s),
rec->fld[1].v.lstr.len, ZSW(rec->fld[1].v.lstr.s),
flags);
d = domain_search(list, &rec->fld[0].v.lstr);
if (d) {
/* DID exists in the list, update it */
if (domain_add(d, &rec->fld[1].v.lstr, flags) < 0) goto error;
} else {
/* DID does not exist yet, create a new entry */
d = new_domain(&rec->fld[0].v.lstr, &rec->fld[1].v.lstr, flags);
if (!d) goto error;
d->next = list;
list = d;
}
skip:
rec = db_next(res);
}
db_res_free(res);
if (load_domain_attrs) {
d = list;
while(d) {
if (db_load_domain_attrs(d) < 0) goto error;
d = d->next;
}
}
*dest = list;
return 0;
error:
if (res) db_res_free(res);
free_domain_list(list);
return 1;
}
